Definition of blister noun from the Oxford Advanced Learner's Dictionary

     

    blister

     noun
    noun
    BrE BrE//ˈblɪstə(r)//
     
    ; NAmE NAmE//ˈblɪstər//
     
    Skin
     
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  1. 1a swelling on the surface of the skin that is filled with liquid and is caused, for example, by rubbing or burning These shoes have given me blisters on my heels. He’d got blisters on his feet from running. There was a blister on her cheek where the boiling milk had splashed her. see also fever blister See related entries: Skin
  2. 2a similar swelling, filled with air or liquid, on metal, painted wood or another surface
  3. Word Origin Middle English: perhaps from Old French blestre ‘swelling, pimple’.
See the Oxford Advanced American Dictionary entry: blister